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 Post subject: Damaged pedal threads
PostPosted: Mon Sep 23, 2013 8:06 pm 
Old School Hero

Joined: Sun Feb 24, 2013 9:40 pm
Posts: 150
I have a nice pair of vintage Campag pedals but there is some slight damage to the threads - they will fit into some crank arms and not others, so I know it's not severe damage. Where could I get these repaired?


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PostPosted: Mon Sep 23, 2013 11:01 pm 
Old School Grand Master
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Joined: Fri Oct 14, 2011 8:41 pm
Posts: 8226
Location: Cumbria
BITD if normal pedals had damaged threads we threw them away, for Campag we carried spare axles. Seem to think the threads were chromed and not sure if we carried taps for them.

What sort of campag pedals are they ?

Shaun


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PostPosted: Tue Sep 24, 2013 7:29 am 
Old School Hero

Joined: Sun Feb 24, 2013 9:40 pm
Posts: 150
I think they're Campag Record - possibly 1970s? I can buy the taps but they'd cost more than the pedals!

Bob


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PostPosted: Tue Sep 24, 2013 8:08 am 
Retro Guru

Joined: Mon Jan 15, 2007 12:12 am
Posts: 1513
Location: Gold Coast Australia
I think you need dies for male pedal threads , the female threads in cranks would need taps


Last edited by latman on Fri Sep 27, 2013 12:01 am, edited 1 time in total.

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PostPosted: Tue Sep 24, 2013 8:12 am 
Old School Hero

Joined: Sun Feb 24, 2013 9:40 pm
Posts: 150
You're right of course - and I have those :)


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PostPosted: Tue Sep 24, 2013 4:38 pm 
Old School Grand Master
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Joined: Fri Oct 14, 2011 8:41 pm
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Location: Cumbria
Sorry.......slipped into vernacular language, yep, should have said die.

The other option is a fine triangular needle file to clear the threads perhaps?

Shaun


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PostPosted: Thu Sep 26, 2013 1:53 pm 
Retro Guru
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Joined: Mon Mar 02, 2009 4:22 pm
Posts: 1481
It depends how damaged the threads are, but if you don't have a die you can chase over the thread (is it 9/16" unc?), you can get thread restoring files - essentially a toothed file that you gently run along the threads and shave the damaged bits off. It's not ideal, but you've got plenty of threads on a pedal axle and losing a few won't do it any harm or affect safety or performance in my opinion. Obviously, if the crank is in poor condition as well then you'll have less chance of it tightening up completely.

Just an example but this would do the job: http://www.ebay.co.uk/itm/Metric-or-Imp ... 27d833418f


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PostPosted: Thu Sep 26, 2013 3:05 pm 
Old School Hero

Joined: Sun Feb 24, 2013 9:40 pm
Posts: 150
Great tip - many thanks, it's definitely worth a try


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PostPosted: Thu Sep 26, 2013 8:22 pm 
Old School Grand Master
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Joined: Fri Oct 14, 2011 8:41 pm
Posts: 8226
Location: Cumbria
Don't remember those types of files when I was working around bikes........ Learn something new every day as they say :D

Shaun


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PostPosted: Fri Sep 27, 2013 1:58 pm 
rider | rBoTM Winner
rider | rBoTM Winner
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Joined: Fri Jan 25, 2008 1:42 pm
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Location: Wakefield, Yorkshire
I've not seen those either, very interesting.


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